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发明名称
Liquid and gas contact apparatus
摘要
申请公布号
US1780255(A)
申请公布日期
1930.11.04
申请号
US19280260038
申请日期
1928.03.08
申请人
THE BARTLETT HAYWARD COMPANY
发明人
WAGNER FREDERICK H.
分类号
B01D47/16
主分类号
B01D47/16
代理机构
代理人
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